Multiresolution circular harmonic decomposition
G. Jacovitti, Alessandro Neri · IEEE Transactions on Signal Processing · 2000
A dictionary of complex waveforms suited for multiresolution analysis and individually steerable by multiplication by a complex factor is presented. It is based on circular harmonic wavelets (CHW) and is useful for pattern analysis under rotations. The main theoretical aspects of CHWs are illustrated, and an example of application to motion estimation is provided.